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goblinko [34]
4 years ago
9

The angles of a rectangle are equal. always sometimes never

Mathematics
2 answers:
worty [1.4K]4 years ago
6 0

Answer: A rectangles angles are always equal.

Step-by-step explanation:

Suppose you have a rectangle, four sides, two pairs of parallel lines. in order to be a rectangle, the quadrilateral has to have equal angles, similar to a square, if they didn't, they could be a trapezoid, which is not a rectangle, because it only has one pair of parallel lines.

Hope this helps!

iren2701 [21]4 years ago
3 0

Answer:

They are always equal

Step-by-step explanation:

Because they all have equal sides they can be measured to confirm that the sides are equal.

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Three times a number t minus twelve equals forty
tekilochka [14]
3 · t - 12 = 40

3t - 12 = 40    |add 12 to both sides

3t = 52    |divide both sides by 3

t = 52/3

t = 17 1/3
5 0
4 years ago
What are the first five terms of the sequence given by the formula an = 4n + 1?
denis-greek [22]

Answer:

<em>5,9,13,17,21</em>

Step-by-step explanation:

We can the values in "n"

a(1)=4(1)+1

a(1)=5

a(2)=4(2)+1

a(2)=9

a(3)=4(3)+1

a(3)=13

a(4)=4(4)+1

a(4)=17

a(5)=4(5)+1

a(5)=21

As you can see, each value consecutively increases by 4, this is also known as the common difference (d).

5 0
3 years ago
Really need help on #15 please.
ollegr [7]

Step-by-step explanation:

Let's call L the length and W the width.  The length is 10 feet longer than the width, so:

L = W + 10

The area is the length times width, so:

119 = LW

Substituting:

119 = (W + 10) W

119 = W² + 10W

0 = W² + 10W − 119

0 = (W + 17) (W − 7)

W = -17 or 7

Since W must be positive, W = 7.

L = W + 10

L = 17

The length and width are 17 feet and 7 feet, respectively.

5 0
4 years ago
shoe sells for a certain company were $25.9 billion. sales are expected to increase by about 20% in the next year. find the proj
ExtremeBDS [4]
25.9 × 1.2 = 31.08

$31.08 billion
3 0
3 years ago
Write 5.1• 10 to the power of 4
VashaNatasha [74]

Answer:

6765201

Step-by-step explanation:

(5.1*10)^4

51^4

6765201 (USED CALCULATOR)

5 0
3 years ago
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